Home / 691,302.40-1,036,953.60-218,132.80

Finding the Fourth Proportional to 691,302.40, 1,036,953.60 and 218,132.80

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Solution

The fourth proportional to 691,302.40, 1,036,953.60 and 218,132.80 is: 327,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,302.40 : 1,036,953.60 = 218,132.80 : x
  2. Step 2: Convert to fraction form
    691,302.40/1,036,953.60 = 218,132.80/x
  3. Step 3: Cross multiply
    691,302.40x = 1,036,953.60 × 218,132.80
  4. Step 4: Simplify right side
    691,302.40x = 226,193,592,238.08
  5. Step 5: Solve for x
    x = 226,193,592,238.08/691,302.40
  6. Step 6: Final answer
    x = 327,199.20

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.